Quiz

Voted the #1 most popular Japan's favorite Heisei Kamen Rider series held by toretame, who polled 5,000 respondents.

Although many fans believed the motif of Kamen Rider Faiz's suit design is a firefly, it is in fact actually modeled after a shark, confirmed in the Kamen Rider Decade: All Riders Super Spin-off net movies. In Episode 5, it details Faiz's antennae looks like a shark's dorsal fin and his mouth plate has triangular designs resembling shark teeth.

The main character Inui Takumi is the second primary Heisei-era Kamen Rider to have a characteristic gesture before they fight their enemies; he flicks his right wrist near his thigh as he goes into battle, the first Rider to do this was Shinji Kido, who pumped his fist and yelled "Alright!" before he fought.

Each set of Rider Gear is code-locked, in addition to being only usable by Orphnoch. These codes, input through the phone of each Gear, are a set of numbers that relate to the theme of each Gear. For the Faiz Gear, the code is "5-5-5", or "fives", phonetically similar to the word Faiz. For the Kaixa Gear, the code is "9-1-3". In Japanese, 9 is "Kyuu" ("K" or "Ka" sound taking ) 1 is "Ichi" ("I" or "Ii" sound) 3 is "San" ("Sa" sound) Thus "Ka-i-sa" ("9-1-3"). Delta Gear's phone was voice-activated, yet nonetheless also was coded with "3-3-3", a reference to the Greek letter delta, a triangle.

Main actor Kento Handa had never watched any Tokusatsu prior to being cast into the role of Takumi. He had considered watching the original series in preparation for the role, but was suggested by director Ryuta Tasaki to not do so, as he wanted Handa to create his own vision of the character without any prior "prejudice".